[POWER OF ATTORNEY Navin Chaddha EX-24.1 2 d665737dex241.htm EX-24.1] [POWER OF ATTORNEY Robert T. Vasan EX-24.2 3 d665737dex242.htm EX-24.2] [JOINT FILING AGREEMENT MAYFIELD XII MANAGEMENT, L.L.C. James T. Beck, Authorized Signatory MAYFIELD XII, A DELAWARE LIMITED PARTNERSHIP Mayfield XII Management, L.L.C. Its General Partner James T. Beck, Authorized Signatory MAYFIELD ASSOCIATES FUND XII, A DELAWARE LIMITED PARTNERSHIP Mayfield XII Management, L.L.C. Its General Partner James T. Beck, Authorized Signatory MAYFIELD PRINCIPALS FUND XII, A DELAWARE MULTIPLE SERIES LLC Mayfield] [CUSIP No. 74906P104 SCHEDULE 13G Page 2 of 13 1. Name of Reporting Person I.R.S. Identification No. of Above Persons (Entities Only) Mayfield XII Management, L.L.C. 2. Check the Appropriate Box if a Member of a Group (see instructions) ¨ x (a) 3. SEC Use Only 4. Citizenship or Place of Organization Delaware Number of Shares Beneficially Owned By Each]